19390569

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{4289}}^1$

素因数の和:4440

約数の個数: 16

約数和(自身を含む): 28416960

約数和(自身を除く): 9026391

約数列:

[1, 3, 11, 33, 137, 411, 1507, 4289, 4521, 12867, 47179, 141537, 587593, 1762779, 6463523, 19390569]

約数ペア:

[(1, 19390569), (3, 6463523), (11, 1762779), (33, 587593), (137, 141537), (411, 47179), (1507, 12867), (4289, 4521)]